Home / 142,467.98-213,505.13-123,703.52

Finding the Fourth Proportional to 142,467.98, 213,505.13 and 123,703.52

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Solution

The fourth proportional to 142,467.98, 213,505.13 and 123,703.52 is: 185,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,467.98 : 213,505.13 = 123,703.52 : x
  2. Step 2: Convert to fraction form
    142,467.98/213,505.13 = 123,703.52/x
  3. Step 3: Cross multiply
    142,467.98x = 213,505.13 × 123,703.52
  4. Step 4: Simplify right side
    142,467.98x = 26,411,336,119.06
  5. Step 5: Solve for x
    x = 26,411,336,119.06/142,467.98
  6. Step 6: Final answer
    x = 185,384.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.